161837840

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13577}}^1$

素因数の和:13739

約数の個数: 40

約数和(自身を含む): 378826200

約数和(自身を除く): 216988360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 13577, 27154, 54308, 67885, 108616, 135770, 217232, 271540, 543080, 1086160, 2022973, 4045946, 8091892, 10114865, 16183784, 20229730, 32367568, 40459460, 80918920, 161837840]

約数ペア:

[(1, 161837840), (2, 80918920), (4, 40459460), (5, 32367568), (8, 20229730), (10, 16183784), (16, 10114865), (20, 8091892), (40, 4045946), (80, 2022973), (149, 1086160), (298, 543080), (596, 271540), (745, 217232), (1192, 135770), (1490, 108616), (2384, 67885), (2980, 54308), (5960, 27154), (11920, 13577)]